WO2022252295A1 - Dispositif d'affichage pliable - Google Patents

Dispositif d'affichage pliable Download PDF

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Publication number
WO2022252295A1
WO2022252295A1 PCT/CN2021/100679 CN2021100679W WO2022252295A1 WO 2022252295 A1 WO2022252295 A1 WO 2022252295A1 CN 2021100679 W CN2021100679 W CN 2021100679W WO 2022252295 A1 WO2022252295 A1 WO 2022252295A1
Authority
WO
WIPO (PCT)
Prior art keywords
support
display device
housing
supporting
auxiliary
Prior art date
Application number
PCT/CN2021/100679
Other languages
English (en)
Chinese (zh)
Inventor
冯子康
Original Assignee
武汉华星光电半导体显示技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 武汉华星光电半导体显示技术有限公司 filed Critical 武汉华星光电半导体显示技术有限公司
Priority to EP21904623.2A priority Critical patent/EP4350672A1/fr
Priority to KR1020217025931A priority patent/KR20220163847A/ko
Priority to JP2021553358A priority patent/JP7390093B6/ja
Priority to US17/430,064 priority patent/US20240040723A1/en
Publication of WO2022252295A1 publication Critical patent/WO2022252295A1/fr

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • H05K5/0226—Hinges
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1628—Carrying enclosures containing additional elements, e.g. case for a laptop and a printer
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1675—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts
    • G06F1/1681—Details related solely to hinges
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/20—Cooling means
    • G06F1/203—Cooling means for portable computers, e.g. for laptops
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • H04M1/0216—Foldable in one direction, i.e. using a one degree of freedom hinge
    • H04M1/022—The hinge comprising two parallel pivoting axes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D7/00—Hinges or pivots of special construction
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2999/00—Subject-matter not otherwise provided for in this subclass
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel

Definitions

  • the present application relates to the display field, in particular to a folding display device.
  • the inner folding display mechanism usually needs to be designed so that the support plate avoids it, so that the main body of the flexible display screen forms a "drop shape" in the bending area.
  • the main body of the flexible display panel is in the In the bent state, three support plates and the middle frame are used to support the bending area of the main body of the flexible display; however, when the main body of the flexible display panel is in a flat state, the three support plates and the middle frame may The gap between the board and the board makes the user feel the step difference and gap between the support boards in the bending area when touching the screen, thereby deteriorating the user experience.
  • An embodiment of the present application provides a foldable display device to solve the deficiencies in the related art.
  • a folding display device comprising:
  • a housing comprising a first housing and a second housing
  • a hinge structure accommodated in the housing and connected to the first housing and the second housing the hinge structure includes a fixing mechanism and a supporting mechanism
  • the supporting mechanism includes a A first support plate on one side of the fixing mechanism and corresponding to the first housing, a second support plate on the other side of the fixing mechanism and corresponding to the second housing, wherein the first The supporting plate is rotatably connected to one side of the fixing mechanism, and the second supporting plate is rotatably connected to the other side of the fixing mechanism;
  • the flexible display panel main body is arranged in the housing, and is located on one side of the first housing, the second housing and the hinge structure;
  • An auxiliary support layer arranged between the flexible display panel main body and the hinge structure, the auxiliary support layer at least covers the joint between the first support plate and the first housing, the first support plate A connection with the fixing mechanism, a connection between the second support plate and the fixation mechanism, and a connection between the second support plate and the second housing.
  • the flexible display panel main body includes: a bending area corresponding to the hinge structure and non-bending areas located on both sides of the bending area;
  • the auxiliary support layer includes a first auxiliary support section and a second auxiliary support section arranged at intervals, the first auxiliary support section and the second auxiliary support section have a first gap, and the first gap is connected to the curved Corresponding setting of folding area.
  • the first gap is less than or equal to 14 mm.
  • the first supporting board includes a first supporting member and a second supporting member
  • the second supporting board includes a third supporting member and a fourth supporting member
  • the first supporting board includes a third supporting member and a fourth supporting member.
  • a supporting member is connected to the first housing, the second supporting member is rotatably connected to one side of the fixing mechanism and the first supporting member respectively, and the fourth supporting member is connected to the second housing body connection, the third support member is rotatably connected to the other side of the fixing mechanism and the fourth support member respectively;
  • the first auxiliary support segment covers at least the connection between the first support and the first housing, the connection between the first support and the second support, and the second support and the connection of the fixing mechanism
  • the second auxiliary support section at least covers the connection of the third support and the fixing mechanism, the connection of the third support and the fourth support, And the joint between the fourth support member and the second housing.
  • the second support member includes a plurality of second support sub-pieces, two adjacent second support sub-pieces are rotatably connected, and the first The auxiliary support section covers the connection between each adjacent second support sub-elements;
  • the third support includes a plurality of third support sub-pieces, two adjacent third support sub-pieces are rotatably connected, and the second auxiliary support section covers each adjacent third support The connection between components.
  • the first auxiliary support section includes a connected first auxiliary support portion and a second auxiliary support portion
  • the second auxiliary support section includes a connected third auxiliary support portion. section and the fourth auxiliary support section;
  • the first support member and the fourth support member are arranged opposite to each other, the second support member is arranged opposite to the third support member, and the first support member and the third support member are arranged opposite to each other.
  • the fourth support has a first angle, the second support and the third support have a second angle, and the first angle is different from the second angle;
  • the first auxiliary support part is arranged opposite to the fourth auxiliary support part
  • the second auxiliary support part is arranged opposite to the third auxiliary support part
  • the first auxiliary support part and the fourth auxiliary support part part has a third included angle
  • the second auxiliary support part and the third auxiliary support part have a fourth included angle
  • the third included angle is different from the fourth included angle
  • the third included angle is the same as the first included angle
  • the fourth included angle is the same as the second included angle
  • the foldable display device when the foldable display device is in the folded state, along the direction from the flexible display panel main body to the fixing structure, the second support member and the first The distance between the three supports gradually increases, the first included angle is smaller than the second included angle, the distance between the second auxiliary support part and the third auxiliary support part gradually increases, the The third included angle is smaller than the fourth included angle.
  • the foldable display device further includes a heat dissipation layer located between the auxiliary support layer and the hinge structure, and the heat dissipation layer includes a first heat dissipation layer and a first heat dissipation layer arranged at intervals. second heat dissipation layer;
  • a first glue layer is set between the first heat dissipation layer and the first auxiliary support section, a second glue layer is set between the first auxiliary support section and the flexible display panel main body, and the second heat dissipation layer
  • a third adhesive layer is arranged between the second auxiliary support section and a fourth adhesive layer is arranged between the second auxiliary support section and the main body of the flexible display panel, wherein the first adhesive layer and the first adhesive layer
  • the two adhesive layers are arranged at intervals, and the third adhesive layer and the fourth adhesive layer are arranged at intervals;
  • the second adhesive layer covers the connection between the first support and the first housing, and the connection between the first support and the second support, and the fourth adhesive covers all The connection between the third support and the fourth support, and the connection between the fourth support and the second housing.
  • the first adhesive layer and the third adhesive layer have a second gap, the second gap is larger than the first gap, and the second gap corresponds to the Bending zone settings described above.
  • the modulus of the auxiliary supporting layer is 10 to 250 quascals, and the thickness of the auxiliary supporting layer is 0.01 mm to 0.2 mm.
  • the fixing mechanism includes a middle support plate and a fixing bracket
  • the intermediate support plate is movably connected to the fixed bracket, the first support plate is located on one side of the intermediate support plate, and the second support plate is located on the other side of the intermediate support plate;
  • the first support plate, the middle support plate, the second support plate and the middle support plate jointly form a flat surface, wherein the auxiliary support The layer covers at least the connection between the first support plate and the first housing, the gap between the first support plate and the middle support plate, and the gap between the middle support plate and the second support plate and the connection between the second support plate and the second housing.
  • the supporting mechanism further includes a fifth supporting member and a sixth supporting member, and both the fifth supporting member and the sixth supporting member can be movably connected to the The bracket is fixed, and the auxiliary support layer covers the fifth support and the sixth support in the direction of the orthographic projection of the support mechanism;
  • the fifth supporting member and the sixth supporting member support the intermediate supporting plate, and the intermediate supporting plate is away from the fixing bracket.
  • the fifth support member includes a protrusion
  • the sixth support member includes a protrusion.
  • connection between the first support plate and the first housing, the connection between the first support plate and the fixing mechanism, and the connection between the second support plate and the fixing mechanism An auxiliary support layer is provided above the joint and the joint between the second support plate and the second housing, so as to cover the first housing, the The level difference between the first support plate, the fixing mechanism, the second support plate, and the second housing improves user experience.
  • FIG. 1 is a schematic diagram of an unfolded state of a folding display device provided by an embodiment of the present application
  • Fig. 2 is a schematic diagram of a folded state of a foldable display device provided by an embodiment of the present application
  • FIG. 3 is an exploded schematic diagram of a hinge structure of a folding display device provided by an embodiment of the present application
  • FIG. 4 is a schematic diagram of an unfolded state of a hinge structure of a folding display device provided by an embodiment of the present application
  • FIG. 5 is a schematic diagram of a folded state of a hinge structure of a foldable display device provided by an embodiment of the present application
  • FIG. 6 is a schematic structural diagram of a foldable display device provided by an embodiment of the present application.
  • FIG. 7 is a schematic diagram of a fixing mechanism of a hinge structure of a folding display device provided by an embodiment of the present application.
  • FIG. 8 is a schematic diagram of a supporting mechanism of a hinge structure of a folding display device provided by an embodiment of the present application.
  • FIG. 9 is a schematic diagram of a rotating mechanism of a hinge structure of a folding display device provided by an embodiment of the present application.
  • FIG. 10 is a schematic diagram of a positioning mechanism of a hinge structure of a folding display device provided by an embodiment of the present application.
  • FIG. 11 is a schematic diagram of a synchronization mechanism of a hinge structure of a folding display device provided by an embodiment of the present application.
  • the embodiment of the present application provides a folding display device 10, the folding display device 10 includes a housing 100, and the housing 100 includes a first housing 110 and a second housing 120; structure 200, the hinge structure 200 is accommodated in the housing 100 and connected to the first housing 110 and the second housing 120, the hinge structure 200 includes a fixing mechanism 210 and a supporting mechanism 220, the The support mechanism 220 includes a first support plate 221 located on one side of the fixing mechanism 210 and corresponding to the first housing 110 , and located on the other side of the fixing mechanism 210 and corresponding to the second housing 120 A second support plate 222 is provided, wherein the first support plate 221 is rotatably connected to one side of the fixing mechanism 210, and the second support plate 222 is rotatably connected to the other side of the fixing mechanism 210.
  • the flexible display panel main body 300, the flexible display panel main body 300 is arranged in the housing 100, and is located at one of the first housing 110, the second housing 120 and the hinge structure 200
  • the auxiliary support layer 400 at least covers the connection between the first support plate 221 and the first casing 110, the connection between the first support plate 221 and the fixing mechanism 210, the second The connection between the support plate 222 and the fixing mechanism 210 and the connection between the second support plate 222 and the second housing 120 .
  • the foldable display device 10 switches from the state shown in FIG. 2 to the state shown in FIG.
  • the level difference between the board 221 , the fixing mechanism 210 , the second supporting board 222 and the second housing 120 improves user experience.
  • FIG. 1 is a schematic view of an unfolded state of a foldable display device provided by an embodiment of the present application
  • FIG. 2 is a schematic view of a folded state of a foldable display device provided by an embodiment of the present application.
  • this embodiment provides a folding display device 10, the folding display device 10 includes a housing 100, the housing 100 includes a first housing 110 and a second housing 120; the hinge structure 200, the hinge structure 200 is accommodated in the housing 100 and connected to the first housing 110 and the second housing 120, the hinge structure 200 includes a fixing mechanism 210 and a supporting mechanism 220, the The support mechanism 220 includes a first support plate 221 located on one side of the fixing mechanism 210 and corresponding to the first housing 110 , and located on the other side of the fixing mechanism 210 and corresponding to the second housing 120 The second support plate 222, wherein, the first support plate 221 is rotatably connected to one side of the fixing mechanism 210, and the second support plate 222 is rotatably connected to the other side of the fixing mechanism 210 Side: the flexible display panel main body 300, the flexible display panel main body 300 is arranged in the housing 100, and is located on one side of the first housing 110, the second housing 120 and the hinge structure 200 the auxiliary support layer 400
  • the modulus of the auxiliary supporting layer 400 ranges from 10 GPa to 250 GPa, and the thickness of the auxiliary supporting layer 400 ranges from 0.01 mm to 0.2 mm.
  • the material of the support layer 400 includes but is not limited to metal stainless steel, spring steel sheet and titanium alloy, which can be a whole metal plate or a metal grid structure. Neither the type nor the type of material is specifically limited.
  • connection between the first support plate 221 and the first housing 110 has a first gap 1
  • connection between the first support plate 221 and the fixing mechanism 210 has a The second gap 2
  • the connection between the second support plate 222 and the fixing mechanism 210 has a third gap 3
  • the connection between the second support plate 222 and the second housing 120 has a fourth gap 4 .
  • the auxiliary support layer 400 is provided to at least cover the connection between the first support plate 221 and the first casing 110, the connection between the first support plate 221 and the fixing mechanism 210, the The connection between the second support plate 222 and the fixing mechanism 210 and the connection between the second support plate 222 and the second housing 120, that is, the auxiliary support layer 400 covers the first gap 1 , the second slit 2, the third slit 3 and the fourth slit 4, so that when the flexible display panel main body 300 is in a flattened state, the first housing 110, the first casing 110, and the second slit below it are covered.
  • the level difference between the connection points of a support plate 221 , the fixing mechanism 210 , the second support plate 222 and the second housing 120 further enhances user experience.
  • the flexible display panel body 300 includes a bending area 1000 corresponding to the hinge structure 200 and non-bending areas 2000 located on both sides of the bending area 1000;
  • the auxiliary supporting layer 400 It includes a first auxiliary support section 410 and a second auxiliary support section 420 arranged at intervals, the first auxiliary support section 410 and the second auxiliary support section 420 have a first gap (not marked in the figure), the first The gap is set corresponding to the bending area 1000 .
  • the orthographic projection of the inner wall of the first gap on the fixing mechanism 210 is located within the boundary range of the fixing mechanism 210; between the first auxiliary support section 410 and the second auxiliary support section 420
  • the range of spacing is less than or equal to 14 mm.
  • FIG. 3 is an exploded schematic diagram of a hinge of a folding display device provided in an embodiment of the present application
  • FIG. 4 is a schematic diagram of a folding display device provided in an embodiment of the present application.
  • FIG. 5 is a schematic diagram of a folded state of a hinge of a folding display device provided by an embodiment of the present application.
  • the first supporting board 221 includes a first supporting member 2211 and a second supporting member 2212
  • the second supporting board 222 includes a third supporting member 2221 and a fourth supporting member 2222.
  • the supporting member 2211 is connected to the first housing 110
  • the second supporting member 2212 is rotatably connected to one side of the fixing mechanism 210 and the first supporting member 2211 respectively
  • the fourth supporting member 2222 is connected to the first supporting member 2211.
  • the second housing 120 is connected, and the third supporting member 2221 is rotatably connected to the other side of the fixing mechanism 210 and the fourth supporting member 2222 respectively.
  • first support member 2211 the second support member 2212 , the third support member 2221 and the fourth support member 2222 include but not limited to steel.
  • the first auxiliary support section 410 at least covers the joint between the first support 2211 and the first housing 110 , the first support 2211 and the second support 2212 and the connection of the second support 2212 and the fixing mechanism 210
  • the second auxiliary support section 420 at least covers the connection of the third support 2221 and the fixing mechanism 210, the The connection between the third support 2221 and the fourth support 2222 , and the connection between the fourth support 2222 and the second housing 120 .
  • the connection between the first support 2211 and the first housing 110 has the first gap 1, and the second support 2212 is connected to the first support 2211.
  • There is a fifth gap 5 between them the second support 2212 has the second gap 2 at the connection of the fixing mechanism 210
  • the third support 2221 has the second gap 2 at the connection of the fixing mechanism 210.
  • the third slit 3, the third support 2221 has a sixth slit 6 on the fourth support 2222, and the connection between the fourth support 2222 and the second housing 120 has the fourth Gap 4.
  • connection between the first support 2211 and the first housing 110 and the connection between the first support 2211 and the second support 2212 are covered by the first auxiliary support section 410 , and the junction of the second support 2212 and the fixing mechanism 210, the second auxiliary support section 420 at least covers the junction of the third support 2221 and the fixing mechanism 210, the third The connection between the support 2221 and the fourth support 2222, and the connection between the fourth support 2222 and the second housing 120, that is, the first auxiliary support section 410 covers the first Slot 1, the fifth slit 5 and the second slit 2, the second auxiliary support section 420 covers the third slit 3, the sixth slit 6 and the fourth slit 4, thereby covering all
  • the first casing 110, the first support member 2211, the second support member 2212, the fixing mechanism 210, and the third support member below it are 2221, the step difference between the fourth supporting member 2222 and the connection of the second housing 120, so as to improve
  • the second support 2212 includes a plurality of second support sub-pieces (not shown in the figure), two adjacent second support sub-pieces are rotatably connected, and the first auxiliary support
  • the segment 410 covers the connection between each adjacent second support sub-piece
  • the third support 2221 includes a plurality of third support sub-pieces (not shown in the figure), and two adjacent second support sub-pieces
  • the three support sub-components are rotatably connected
  • the second auxiliary support section 420 covers the connection between each adjacent third support sub-component.
  • the second support member 2212 may be composed of multiple second support sub-parts, or may be integrally formed from a single piece
  • the third support member 2221 may be composed of multiple second support members.
  • the third support sub-component may be formed as a whole, and the number of the second support sub-component and the number of the third support sub-component is not specifically limited in this embodiment.
  • the first supporting member 2211 is rotatably connected to the fixing mechanism 210
  • the fourth supporting member 2222 is rotatably connected to the fixing mechanism 210 .
  • first supporting member 2211 and the second supporting member 2212 are sleeved on the first rotating shaft (not marked in the figure), and the third supporting member 2221 and the fourth supporting member The pieces 2222 are sleeved on the second rotating shaft (not marked in the figure), wherein, the first supporting member 2211 and the second supporting member 2212 are movably connected through the first rotating shaft, and the third The supporting member 2221 and the fourth supporting member 2222 are flexibly connected through the second rotating shaft, wherein both the first rotating shaft and the second rotating shaft include but are not limited to pin shafts.
  • first support member 2211 and the second support member 2212 are flexibly connected through the first rotation shaft, and the third support member 2221 and the fourth support member 2222 are connected through the first rotation shaft.
  • the movable connection of the two rotating shafts is only for illustration, and this embodiment does not specifically limit it.
  • a first support member 2211 and a second support member 2212 are arranged on one side of the fixing mechanism 210, and a third support member 2221 and a fourth support member 2222 are arranged on the other side of the fixing mechanism 210, wherein , the second support 2212 is rotatably connected to one side of the fixing mechanism 210, the third support 2221 is rotatably connected to the other side of the first support 2211, and the first The support member 2211 and the second support member 2212 are flexibly connected through the first rotation shaft, and the third support member 2221 and the fourth support member 2222 are flexibly connected through the second rotation shaft, thereby increasing The number of degrees of freedom of rotation in the hinge is reduced, so that when the folding display device 10 is in the folded state, the support mechanism 220 can be completely closed, so that the flexible display panel main body 300 in the folding display device 10 is Fully closed and fully unfolded when folded.
  • the first auxiliary support section 410 includes a connected first auxiliary support portion 411 and a second auxiliary support portion 412
  • the second auxiliary support section 420 includes a connected third auxiliary support portion 421 and a second auxiliary support portion 412.
  • the fourth auxiliary support part 422 is a connected third auxiliary support portion 421 and a second auxiliary support portion 412.
  • the first supporting member 2211 and the fourth supporting member 2222 are arranged oppositely, the second supporting member 2212 and the third supporting member 2221 are arranged oppositely, and the The first support 2211 and the fourth support 2222 have a first angle, the second support 2212 and the third support 2221 have a second angle, and the first angle is the same as the first angle.
  • the two included angles are different; the first auxiliary support part 411 and the fourth auxiliary support part 422 are arranged oppositely, the second auxiliary support part 412 and the third auxiliary support part 421 are arranged oppositely, and the first auxiliary support part 412 is arranged oppositely to the third auxiliary support part 421.
  • the support portion 411 and the fourth auxiliary support portion 422 have a third included angle, the second auxiliary support portion 412 and the third auxiliary support portion 421 have a fourth included angle, and the third included angle is the same as the The fourth included angle is different.
  • the third included angle is the same as the first included angle
  • the fourth included angle is the same as the second included angle
  • the first angle is smaller than the second angle
  • the distance between the second auxiliary support part 412 and the third auxiliary support part 421 gradually increases
  • the The third included angle is smaller than the fourth included angle
  • the first included angle and the third included angle are acute angles
  • the second included angle and the fourth included angle are acute angles or 0° angles.
  • the first support member 2211 when the foldable display device 10 switches from the state shown in FIG. 1 to the state shown in FIG. 2 , that is, when the foldable display device 10 is in the folded state, the first support member 2211
  • the second support member 2212, the third support member 2221 and the fourth support member 2222 are inclined to form a wedge shape.
  • the first auxiliary support part 411, the second auxiliary support part 412, the third auxiliary support part 421 and the fourth auxiliary support part 422 are formed obliquely under the driving of the part 2221 and the fourth support part 2222
  • a wedge shape that is, the first auxiliary support section 410 and the second auxiliary support section 420 are located on both sides of the flexible display panel main body 300, thereby increasing the space for accommodating the flexible display panel main body 300, so that the When the flexible display panel main body 300 is in the folded state, it can be bent with a larger arc (such as a drop shape), which improves the folding situation of the flexible display panel main body 300 and avoids too small a fold for the flexible display panel main body. 300 Risk of damage.
  • FIG. 6 is a schematic structural diagram of a foldable display device provided by an embodiment of the present application.
  • the foldable display device 10 further includes a heat dissipation layer 500 located between the auxiliary support layer 400 and the hinge structure 200 .
  • the heat dissipation layer 500 includes, but is not limited to, a metal copper layer, a pressure-sensitive adhesive layer, a white latex layer, a foam rubber layer, and a heat dissipation film layer that are sequentially away from the auxiliary supporting layer 400 .
  • the heat dissipation layer 500 is arranged between the auxiliary support layer 400 and the hinge structure 200, so as to improve the heat dissipation performance of the auxiliary support layer 400, thereby preventing the flexible display panel main body 300 from heat damage.
  • the thickness of the metal copper layer is 80 microns
  • the thickness of the pressure-sensitive adhesive layer is 10 microns
  • the thickness of the white latex layer is 15 microns
  • the thickness of the foam rubber layer is 70 microns
  • the heat dissipation The thickness of the film layer is 15 microns.
  • the heat dissipation layer 500 includes a first heat dissipation layer 510 and a second heat dissipation layer 520 arranged at intervals; a first glue layer is arranged between the first heat dissipation layer 510 and the first auxiliary support section 410 601, a second adhesive layer 602 is provided between the first auxiliary support section 410 and the flexible display panel main body 300, and a third adhesive layer is provided between the second heat dissipation layer 520 and the second auxiliary support section 420 603, a fourth adhesive layer 604 is provided between the second auxiliary support section 420 and the flexible display panel main body 300, wherein the first adhesive layer 601 and the second adhesive layer 602 are arranged at intervals, and the first The third adhesive layer 603 and the fourth adhesive layer 604 are arranged at intervals.
  • the first adhesive layer 601 is used to paste the first auxiliary support section 410 and the first heat dissipation layer 510; the second adhesive layer 602 is used to paste the first auxiliary support segment 410 and the flexible display panel main body 300; the third adhesive layer 603 is used to paste the second auxiliary support segment 420 and the second heat dissipation layer 520; the fourth adhesive layer 604 is used to paste The second auxiliary supporting section 420 is connected to the flexible display panel main body 300 .
  • the first adhesive layer 601 , the second adhesive layer 602 , the third adhesive layer 603 and the fourth adhesive layer 604 include but are not limited to pressure sensitive adhesive.
  • the second adhesive layer 602 covers the joint between the first support member 2211 and the first housing 110 and the first support member 2211 and the connection of the second support 2212
  • the fourth adhesive layer 604 covers the connection of the third support 2221 and the fourth support 2222
  • the connection between the fourth support 2222 and the The connection of the second housing 120 when the foldable display device 10 is in a flat state, covers the joint between the first support member 2211 and the first housing 110 and the first support member 2211 and the connection of the second support 2212, the fourth adhesive layer 604 covers the connection of the third support 2221 and the fourth support 2222, and the connection between the fourth support 2222 and the The connection of the second housing 120 .
  • the first adhesive layer 601 and the third adhesive layer 603 have a second gap (not marked in the figure), the second gap is larger than the first gap, and the second gap is larger than the first gap.
  • Two gaps are set corresponding to the bending area 1000 .
  • the orthographic projection of the first gap on the flexible display panel body 300 is located at the angle of the inner wall of the second gap on the flexible display panel body 300 within the bounds of the orthographic projection.
  • the foldable display device 10 further includes a fifth adhesive layer 605 located between the first heat dissipation layer 510 and the first support plate 221 , and a fifth adhesive layer 605 located between the second heat dissipation layer 520 and the first support plate 221 .
  • a sixth adhesive layer 606 is obtained between the second supporting boards 222 .
  • the fifth adhesive layer 605 is used to paste the first heat dissipation layer 510 and the first housing 110, and to paste the first heat dissipation layer 510 on the first support plate 221;
  • the sixth adhesive layer 606 is used for adhering the second heat dissipation layer 520 and the second casing 120 , and adhering the second heat dissipation layer 520 to the second support plate 222 .
  • the orthographic projection of the fifth adhesive layer 605 on the first casing 110 and the first support plate 221 is consistent with the first gap 1 , the fifth gap 5 and the None of the second slits 2 overlap, and the orthographic projection of the sixth adhesive layer 606 on the second housing 120 and the second support plate 222 is the same as that of the third slit 3 , the sixth slit 6 and None of the second gaps 2 overlap, so as to prevent the bending of the first support plate 221 and the second support plate 222 from being affected by the fifth adhesive layer 605 and the sixth adhesive layer 606 .
  • a support film layer 301 and a heat dissipation film layer 302 are arranged under the flexible display panel main body 300, wherein the material of the support film layer 301 includes but not limited to stainless steel ( SUS), the material of the heat dissipation film layer 302 includes but not limited to foam rubber (Foam).
  • SUS stainless steel
  • Foam foam rubber
  • both the support film layer 301 and the heat dissipation film layer 302 are integral structures.
  • the support film layer 301 and the auxiliary support layer 400 there are differences between the support film layer 301 and the auxiliary support layer 400, differences between the heat dissipation film layer 302 and the heat dissipation layer 500, and the support film Layer 301 supports the entire surface of the flexible display panel body 300, the heat dissipation film layer 302 dissipates heat from the entire surface of the flexible display panel body 300, and the auxiliary support layer 400 and the heat dissipation layer 500 are arranged on the flexible display panel body 300 and the hinge structure 200, the auxiliary support layer 400 is also to eliminate the gap feeling at the joint of the support plate in the hinge structure 200, and the heat dissipation layer 500 is for heat dissipation in a local area. Therefore, the support film layer 301 and The auxiliary supporting layer 400 is different, and the heat dissipation film layer 302 is also different from the heat dissipation layer 500 .
  • FIG. 7 is a schematic diagram of a fixing mechanism of a hinge structure of a folding display device provided by an embodiment of the present application.
  • the fixing mechanism 210 includes an intermediate support plate 211 and a fixed bracket 212, the intermediate support plate 211 is movably connected to the fixed bracket 212, and the first support plate 221 is located on the intermediate support one side of the middle support plate 211 , and the second support plate 222 is located on the other side of the middle support plate 211 .
  • the first support plate 221, the middle support plate 211, the second support plate 222 and the middle support plate 211 together form a flat surface, wherein , the auxiliary support layer 400 at least covers the junction of the first support plate 221 and the first housing 110, the gap between the first support plate 221 and the intermediate support plate 211, the intermediate support The gap between the plate 211 and the second support plate 222 , and the connection between the second support plate 222 and the second housing 120 .
  • the first support 2211 and the second support 2212 are located on one side of the middle support plate 211, and the third support 2221 and the fourth support 2222 Located on the other side of the middle support plate 211 .
  • the pieces 2222 jointly form the flat surface, wherein the first auxiliary support section 410 at least covers the joint between the first support piece 2211 and the first housing 110, the first support piece 2211 and the first support piece 2211.
  • the joint of the second support 2212, the gap between the second support 2212 and the middle support plate 211, the second auxiliary support section 420 at least covers the middle support plate 211 and the third support 2221, the connection between the third support 2221 and the fourth support 2222, and the connection between the fourth support 2222 and the second housing 120, thereby covering the flexible
  • the first support 2211 , the second support 2212 , the middle support plate 211 , the third support 2221 and the fourth support 2222 below it
  • the step difference between each connection can improve the user experience.
  • FIG. 8 is a schematic diagram of a supporting mechanism of a hinge structure of a foldable display device provided by an embodiment of the present application.
  • the support mechanism 220 further includes a fifth support member 223 and a sixth support member 224, both of the fifth support member 223 and the sixth support member 224 are movably connected to the fixed bracket 212 , and the auxiliary support layer 400 covers the fifth support member 223 and the sixth support member 224 in the direction of the orthographic projection of the support mechanism 220 .
  • the fifth support member 223 and the sixth support member 224 support the middle support plate 211 , and the middle support plate 211 is away from the fixing bracket 212 .
  • the materials of the middle support plate 211 , the fifth support member 223 and the sixth support member 224 include but are not limited to steel.
  • the fifth supporting member 223 includes a protrusion (not marked in the figure), and the sixth supporting member 224 includes a protrusion (not marked in the figure), when the foldable display device 10 is in the flat In the folded state, the protrusion supports the middle support plate 211 , and when the folding display device 10 is in the folded state, there is a gap between the protrusion and the middle support plate 211 . It can be understood that, this embodiment does not further limit the shape of the protrusion.
  • FIG. 9 is a schematic diagram of a rotating mechanism of a hinge structure of a folding display device provided by an embodiment of the present application.
  • the first supporting member 2211 is slidably connected to the fixing bracket 212
  • the fourth supporting member 2222 is slidably connected to the fixing bracket 212 .
  • the hinge structure 200 further includes a rotating mechanism 230, and the rotating mechanism 230 includes a first connecting member 231, a second connecting member 232, a first rotating member 233, a second rotating member 234, a first mounting member 235 and The second mounting member 236 .
  • first connecting member 231 is rotatably connected to the fixed bracket 212
  • the other end of the first connecting member 231 is slidably connected to the first supporting member 2211
  • the second connecting member 231 One end of the member 232 is rotatably connected to the fixing bracket 212
  • the other end of the second connecting member 232 is slidably connected to the fourth supporting member 2222 .
  • the first rotating member 233 is rotatably connected to the fixed bracket 212, the first mounting member 235 is fixedly connected to the first supporting member 2211, and the one end of the first connecting member 231 is fixedly connected to The first rotating member 233 , the other end of the first connecting member 231 is slidably connected to the first mounting member 235 ; the second rotating member 234 is rotatably connected to the fixed bracket 212 , the second mounting part 236 is fixedly connected to the fourth supporting part 2222, the one end of the second connecting part 232 is fixedly connected to the second rotating part 234, and all of the second connecting part 232 The other end is slidably connected to the second mounting member 236 .
  • first connecting member 231 and the second connecting member 232 include but not limited to steel.
  • first rotating member 233 and the second rotating member 234 include but are not limited to gear shafts
  • materials of the first mounting member 235 and the second mounting member 236 include but are not limited to It is limited to steel materials, which is not specifically limited in this embodiment.
  • the first connecting member 231 includes a first main body portion 2311 and a first extension portion 2312 extending from one end of the first main body portion 2311
  • the second connecting member 232 includes a second main body part 2321 and a second extension part 2322 extending from one end of the second main part 2321; wherein, the first main part 2311 is slidably connected to the first mounting part 235, and the first extension part 2312 is provided with a first hole (not marked in the figure) through which the first rotating part 233 passes, the second main body part 2321 is slidably mounted on the second mounting part 236, and the second extension part 2322 is provided with a second hole (not marked in the figure) through which the first rotating member 233 passes.
  • the first mounting part 235 is provided with a first sliding slot 2351
  • the second mounting part 236 is provided with a second sliding slot 2361
  • the first main body part 2311 is slidably installed In the first chute 2351
  • the second main body 2321 is slidably installed in the second chute 2361 .
  • the fifth supporting member 223 is fixedly connected to the first rotating member 233
  • the sixth supporting member 224 is fixedly connected to the second rotating member 234 .
  • the fixing bracket 212 includes a main body bracket 2121 , a first bracket 2122 and a second bracket 2123 .
  • first rotating member 233 and the second rotating member 234 are rotatably connected to the main body bracket 2121, and the first bracket 2122 is sleeved on the first rotating member 233 and the second rotating member.
  • first bracket 2122 is provided with a first recess (not marked in the figure) and a second recess (not marked in the figure), and the first extension part 2312 is rotatably accommodated in the first recess,
  • the second extension portion 2322 is rotatably received in the second recess.
  • the main body support 2121 includes an arc-shaped sliding slot (not marked in the figure)
  • the second support 2212 includes a first slider (not marked in the figure)
  • the third support 2221 includes A second slider (not marked in the figure), wherein the first slider and the second slider rotate in the arc-shaped chute.
  • the second bracket 2123 is sleeved on the first rotating member 233 and the second rotating member 234, and the fifth supporting member 223 and the sixth supporting member 224 are located on the first rotating member 233 and the second rotating member 234.
  • One side of a bracket 2122 away from the main body bracket 2121, the second bracket 2123 is located between the fifth support 223 and the sixth support 224 and the first bracket 2122, the fifth The supporting piece 223 and the sixth supporting piece 224 abut against the second bracket 2123 .
  • the materials of the main frame 2121 , the first frame 2122 and the second frame 2123 include but not limited to steel.
  • the fifth support member 223 and the sixth support member 224 support the middle support plate 211; meanwhile, the fifth support member 223 and the sixth support member 224 abut against the second bracket 2123 , so as to prevent the second bracket 2123 from detaching from the first rotating member 233 and the second rotating member 234 , and maintain the stability of the hinge.
  • the middle support plate 211 is slidably connected to the first bracket 2122 and the second bracket 2123, so that the middle support plate 211 can only be fixed perpendicular to the
  • the bracket 212 slides in a straight line to prevent the middle support plate 211 from moving in other directions;
  • the middle support plate 211 is connected to the first bracket 2122 through a first elastic member (not shown in the figure), when the When the display device 10 is in the folded state or the flat state, the first elastic member is in an elastically deformed state, that is, the first elastic member generates a pulling force that moves the middle support plate 211 toward the first bracket 2122 .
  • the first elastic member includes but is not limited to a spring.
  • FIG. 10 is a schematic diagram of a positioning mechanism of a hinge structure of a folding display device provided by an embodiment of the present application.
  • the hinge structure 200 further includes a positioning mechanism 240, and the positioning mechanism 240 includes a positioning member 241, wherein the positioning member 241 is sleeved on the first rotating member 233 and the second rotating member.
  • the positioning member 241 includes a first protrusion 2411 facing the first extension 2312 of the first connecting member 231 and a first protrusion 2411 facing the second extending portion 2322 of the second connecting member 232.
  • Two protrusions 2412, the first extension 2312 of the first connecting member 231 is provided with a first groove 2313, and the second extension 2322 of the second connecting member 232 is provided with a second groove 2323 , when the support mechanism 220 is in the flat state or the folded state, the first protrusion 2411 is accommodated in the first groove 2313, and the second protrusion 2412 is accommodated in the second groove 2323 .
  • the positioning mechanism 240 also includes a second elastic member 242 and a third elastic member 243, wherein the second elastic member 242 is sleeved on the first rotating member 233, and one end of the second elastic member 242 is connected to The positioning member 241, the other end of the second elastic member 242 is connected to the second bracket 2123, the third elastic member 243 is sleeved on the second rotating member 234, and the third elastic member 243 One end of the third elastic member 243 is connected to the positioning member 241, and the other end of the third elastic member 243 is connected to the second bracket 2123.
  • the second Both the elastic member 242 and the third elastic member 243 are in elastic deformation state.
  • the first rotating member 233 rotates, the first groove 2313 rotates accordingly, the first protrusion 2411 is accommodated in the first groove 2313, when the first When the second rotating member 234 rotates, the second groove 2323 rotates accordingly, and the second protrusion 2412 is accommodated in the second groove 2323.
  • the rotating mechanism 230 and the positioning mechanism 240 the When the hinge is folded, when the first rotating part 233 and the second rotating part 234 rotate from the unfolded state to 0 ⁇ 10 degrees, they will automatically return to the unfolded position; When the member 233 and the second rotating member 234 rotate from the unfolded state to 80-90 degrees, they will automatically turn to the folded state, that is, the 90-degree position, thereby improving user experience.
  • the material of the positioning member 241 includes but not limited to steel, and the second elastic member 242 and the third elastic member 243 include but not limited to springs, which are not specifically limited in this embodiment.
  • FIG. 11 is a schematic diagram of a synchronization mechanism of a hinge structure of a folding display device provided by an embodiment of the present application.
  • the hinge structure 200 further includes a synchronizing mechanism 250, and the synchronizing mechanism 250 includes a first synchronizing element 251, a second synchronizing element 252 and a third synchronizing element 253, and the first synchronizing element 251 is connected to The first rotating part 233, the second synchronizing part 252 is connected to the second rotating part 234, the first synchronizing part 251 is synchronously connected to the second synchronizing part 252 through the third synchronizing part 253 To make the first rotating member 233 and the second rotating member 234 rotate synchronously.
  • the synchronizing mechanism 250 includes a first synchronizing element 251, a second synchronizing element 252 and a third synchronizing element 253, and the first synchronizing element 251 is connected to The first rotating part 233, the second synchronizing part 252 is connected to the second rotating part 234, the first synchronizing part 251 is synchronously connected to the second synchronizing part 252 through the third synchronizing part 253 To make the first rotating member 233 and the second rotating member
  • the synchronous mechanism 250, the rotating mechanism 230 and the positioning mechanism 240 cooperate, and the first supporting member 2211 and the The second supporting member 2212, the third supporting member 2221 and the fourth supporting member 2222 rotate synchronously along the fixed bracket 212, which improves the first supporting member 2211 and the second supporting member 2212.
  • the consistency and stability of the movement with the third support member 2221 and the fourth support member 2222 further improves the stability of the hinge structure 200 .
  • the first synchronizing member 251 includes a first gear
  • the second synchronizing member 252 includes a second gear
  • the third synchronizing member 253 includes two third gears meshing with each other, wherein the two third The gear is rotatably connected to the main body bracket 2121 and the first bracket 2122 , the first gear is sleeved on the first rotating member 233 , and the second gear is sleeved on the second rotating member 234 , the first gear meshes with one of the two third gears, and the second gear meshes with the other of the two third gears.
  • first synchronizing member 251 includes a first gear
  • second synchronizing member 252 includes a second gear
  • third synchronizing member 253 includes two third gears meshing with each other for illustration only.
  • the foldable display device 10 further includes a dust-proof structure 260, and the dust-proof structure 260 is arranged at the junction of the fixing mechanism 210 and the supporting mechanism 220, Further, the dust-proof structure 260 is located on a side of the first support 2211 , the second support 2212 , the third support 2221 and the fourth support 2222 away from the middle support plate 211 . side and cover at least a part of the flexible display panel body 300 , so as to prevent foreign matter from entering the side of the flexible display panel body 300 and causing damage to the flexible display panel body 300 .

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  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
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  • Microelectronics & Electronic Packaging (AREA)
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Abstract

L'invention concerne un dispositif d'affichage pliable (10) qui comprend : un boîtier (100) ; une structure de charnière (200), la structure de charnière (200) étant logée dans le boîtier (100), la structure de charnière (200) comprenant un mécanisme de fixation (210) et un mécanisme de support (220), et le mécanisme de support (220) comprenant une première plaque de support (221) et une seconde plaque de support (222) ; un corps principal de panneau d'affichage flexible (300), le corps principal de panneau d'affichage flexible (300) étant disposé dans le boîtier (100) ; et une couche de support auxiliaire (400) qui est disposée entre le corps principal de panneau d'affichage flexible (300) et la structure de charnière (200).
PCT/CN2021/100679 2021-06-02 2021-06-17 Dispositif d'affichage pliable WO2022252295A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP21904623.2A EP4350672A1 (fr) 2021-06-02 2021-06-17 Dispositif d'affichage pliable
KR1020217025931A KR20220163847A (ko) 2021-06-02 2021-06-17 폴딩 디스플레이 장치
JP2021553358A JP7390093B6 (ja) 2021-06-02 2021-06-17 折り畳み表示装置
US17/430,064 US20240040723A1 (en) 2021-06-02 2021-06-17 Foldable display device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202110615593.2A CN113299195B (zh) 2021-06-02 2021-06-02 折叠显示装置
CN202110615593.2 2021-06-02

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WO2022252295A1 true WO2022252295A1 (fr) 2022-12-08

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US (1) US20240040723A1 (fr)
EP (1) EP4350672A1 (fr)
JP (1) JP7390093B6 (fr)
KR (1) KR20220163847A (fr)
CN (1) CN113299195B (fr)
WO (1) WO2022252295A1 (fr)

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CN211693207U (zh) * 2020-01-15 2020-10-16 东莞市环力智能科技有限公司 一种移动内折终端用内折叠铰链

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CN113299195B (zh) 2022-10-04
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CN113299195A (zh) 2021-08-24
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US20240040723A1 (en) 2024-02-01
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